<template>
  <div id="aCoursesList"
       class="bg-fa of">
    <section class="container">
      <!-- 课程所属分类 -->
      <section class="path-wrap txtOf hLh30">
        <a href="#"
           title
           class="c-999 fsize14">首页</a>
        \
        <a href="/course"
           title
           class="c-999 fsize14">课程列表</a>
        \
        <span class="c-333 fsize14">{{ course.subjectLevelOne }}</span>
        \
        <span class="c-333 fsize14">{{ course.subjectLevelTwo }}</span>
      </section>
      <!-- 课程基本信息 -->
      <div>
        <article class="c-v-pic-wrap"
                 style="height: 357px;">
          <section id="videoPlay"
                   class="p-h-video-box">
            <img :src="course.cover"
                 :alt="course.title"
                 class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{ course.title }}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow"
                 style="font-size:24px;">￥{{ course.price }}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{ course.teacherName }}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon" />
                <a class="c-fff vam"
                   title="收藏"
                   href="#">收藏</a>
              </span>
            </section>
            <section v-if="isbuyCourse || Number(course.price)===0"
                     class="c-attr-mt">
              <a href="#"
                 title="立即观看"
                 class="comm-btn c-btn-3">立即观看</a>
            </section>
            <section v-else
                     class="c-attr-mt">
              <a href="#"
                 title="立即购买"
                 class="comm-btn c-btn-3"
                 @click="createOrder()">立即购买</a>

            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol clearfix">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ course.buyCount }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ course.lessonNum }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ course.viewCount }}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear" />
      </div>

      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle"
                         class="c-infor-tabTitle c-tab-title">
                  <a name="c-i"
                     class="current"
                     title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <!-- 课程详情介绍 -->
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <!-- 将内容中的html翻译过来 -->
                      <p v-html="course.description">{{ course.description }}</p>
                    </section>
                  </div>
                </div>
                <!-- 课程大纲-->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu"
                            class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 课程章节目录 -->
                          <li v-for="chapter in chapterList"
                              :key="chapter.id"
                              class="lh-menu-stair">
                            <a :title="chapter.title"
                               href="javascript: void(0)"
                               class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10" />{{ chapter.title }}
                            </a>
                            <ol class="lh-menu-ol"
                                style="display: block;">
                              <li v-for="video in chapter.children"
                                  :key="video.id"
                                  class="lh-menu-second ml30">
                                <!-- <a :href="'/player/
                                :href="'/player/'+video.videoSourceId"7bd1428c75864c0ead219972e92cbb12'" -->
                                <a :title="video.title"
                                   target="_blank"
                                   @click="getVideoId(video.id)">
                                  <span v-if="video.isFree === true"
                                        class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{ video.title }}
                                </a>
                              </li>
                            </ol>
                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <!-- 主讲讲师-->
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title
                   href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a :href="'/teacher/'+course.teacherId"
                         target="_blank">
                        <img :src="course.avatar"
                             width="50"
                             height="50"
                             alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a :href="'/teacher/'+course.teacherId"
                         class="c-333 fsize16 fl"
                         target="_blank">{{ course.teacherName }}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{ course.intro }}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear" />
      </div>

      <!-- 评论框 -->
      <div class="mt50 commentHtml">
        <h6 id="i-art-comment"
            class="c-c-content c-infor-title">
          <span class="commentTitle">课程评论</span>
        </h6>
        <section class="lh-bj-list pr mt20 replyhtml">
          <ul>
            <li class="unBr">
              <aside class="noter-pic">
                <img width="50"
                     height="50"
                     class="picImg"
                     src="~/assets/img/avatar-boy.gif">
              </aside>
              <div class="of">
                <section class="n-reply-wrap">
                  <fieldset>
                    <!-- <textarea id="commentContent"
                              v-model="comment.content"
                              name=""
                              placeholder="输入您要评论的文字">
                              </textarea> -->
                    <el-input v-model="comment.content"
                              type="textarea"
                              :rows="2"
                              placeholder="请输入内容">
                    </el-input>
                  </fieldset>
                  <p class="of mt5 tar pl10 pr10">
                    <span class="fl "><tt class="c-red commentContentmeg"
                          style="display: none;"></tt></span>
                    <input type="button"
                           value="回复"
                           class="lh-reply-btn"
                           @click="addComment()">
                  </p>
                </section>
              </div>
            </li>
          </ul>
        </section>

        <!-- 评论详情展示 -->
        <section class="question-list lh-bj-list pr">
          <ul class="pr10">
            <li v-for="(comment,index) in data.rows"
                :key="index">
              <aside class="noter-pic">
                <img width="50"
                     height="50"
                     class="picImg"
                     :src="comment.avatar">
              </aside>
              <div class="of">
                <span class="f1">
                  <font class="fsize12 c-blue">
                    {{comment.nickname}}
                  </font>
                  <font class="fsize12 c-999 ml5">评论：</font>
                </span>
              </div>
              <div class="noter-txt mt5">
                <p>{{comment.content}}</p>
              </div>
            </li>
          </ul>
        </section>
      </div>
    </section>

  </div>
</template>

<script>
import course from "@/utils/api/course"
import comment from "@/utils/api/commomedu"
import order from "@/utils/api/order"

export default {
  asyncData({ params, error }) {
    return {
      courseId: params.id
    }
    // return course.getById(params.id, cookie.get('guli_token')).then(response => {
    //   return {
    //     course: response.data.data.courseWebVo,
    //     courseId: params.id,
    //     chapterList: response.data.data.chapterVideoList
    //   }
    // })
  },

  data() {
    return {
      data: {},
      page: 1,
      limit: 4,
      total: 10,
      comment: {
        content: '',
        courseId: ''
      },
      isbuyCourse: false,
      course: {},
      chapterList: []
    }
  },
  created() {
    this.initCourseInfo()
    this.initComment()
  },
  methods: {
    // 创建支付
    createOrder() {
      order.createOrder(this.courseId).then(response => {
        if (response.data.success) {
          this.$router.push({ path: '/order/' + response.data.data.orderId })
        }
      })
    },
    initCourseInfo() {
      // this.courseInfo = this.course
      // // this.isbuyCourse = response.data.data.isbuyCourse
      if (process.client) {
        course.getById(this.courseId, localStorage.getItem('guli_token')).then(response => {
          this.course = response.data.data.courseWebVo
          this.chapterList = response.data.data.chapterVideoList
          this.isbuyCourse = response.data.data.isBuy
        })
      }


    },
    initComment() {
      comment.getPageList(this.page, this.limit, this.courseId).then(response => {
        this.data = response.data.data
      })
    },
    // 添加课程评论
    addComment() {
      this.comment.courseId = this.courseId
      this.comment.teacherId = this.courseInfo.teacherId
      comment.addComment(this.comment).then(response => {
        if (response.data.success) {
          this.comment.content = ''
          this.initComment()
        }
      })
    },
    getVideoId(id) {
      course.getVideoById(id).then(response => {
        const vi = response.data.data.video
        this.$router.push({
          path: '/player/' + vi.videoSourceId
        })
      })
    },
  }
}
</script>

<style>
#videoPlay img {
  height: 100% !important;
}
</style>